399a66a264facc46f2a703c9de786fcff6707f1fa4ca383b9a35b3fdd073cb7e

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 12:13

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General

Target

msvcp90.dll
Size

328KB
MD5

8077d35d3abe8eae897b947bc0ce7f4f
SHA1

16a631e68d3a2def303c9694fe287803999eefbd
SHA256

0ddccf1e8c9d6ce209bdab5cc7fbe173fbe453d09dee52905ced9915a63a6f96
SHA512

ef74821b14ed2185da2571a0eb3479a0c1b0ab19609dd23e2d93307b00609fb6b5b47549bd44bfd0d05e7b339700ed3103e98377daa9ac584470a8ed46e623c4
SSDEEP

6144:DNkzQydo3CioS41j8Qlg+hUgiW6QR7t5C3Ooc8SHkC2e/RzS:ZcdozoS88S3hUgiW6QR7t5C3Ooc8SHkf

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral27/memory/1756-3-0x0000000075230000-0x00000000752E1000-memory.dmp	upx
behavioral27/memory/1756-1-0x0000000075130000-0x0000000075202000-memory.dmp	upx
behavioral27/memory/1756-5-0x0000000075230000-0x00000000752E1000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp90.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp90.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1756-3-0x0000000075230000-0x00000000752E1000-memory.dmp

Filesize
708KB

Download
memory/1756-2-0x0000000075210000-0x00000000752E2000-memory.dmp

Filesize
840KB

Download
memory/1756-1-0x0000000075130000-0x0000000075202000-memory.dmp

Filesize
840KB

Download
memory/1756-0-0x0000000075210000-0x00000000752E2000-memory.dmp

Filesize
840KB

Download
memory/1756-4-0x0000000075210000-0x00000000752E2000-memory.dmp

Filesize
840KB

Download
memory/1756-5-0x0000000075230000-0x00000000752E1000-memory.dmp

Filesize
708KB

Download
memory/1756-6-0x0000000075210000-0x0000000075223000-memory.dmp

Filesize
76KB

Download